The day before yesterday, or 2 days ago, could have occurred as little as 24 hours previous, if the current time is exactly midnight. However, if the current time is 11:59 pm, then 2 days ago could be referring to 71 hours and 59 minutes prior.
It depends on where in the world and how long ago you consider to be olden days.
A hundred days can be 14 weeks 2 days.
14 days is 2 weeks.
It is: 2 weeks and 4 days
Wednesday. If it was Sunday 2 days ago, then it is Tuesday. 365 days is 52 weeks and 1 day, so it will be one day later than Tuesday which gives you the answer as being Wednesday.